Class 2 - Issues in Development

Question 1

What is teratogenesis? (2)

Answer 1

• deviations in prenatal development can result from exposure to teratogens, agents that cause damage to an embryo or a fetus
• physical, cognitive, congenital defects, even from experiences)

Question 2

When is the greatest risk from most teratogens prevalent? (2)

Answer 2

first 8 weeks of gestation
- bc vital organs are forming and you do not know if your are pregnant

Question 3

How can viral infections attack the embyro/fetus?

Answer 3

• viruses can pass through placental filters and attack embryo or fetus directly

Question 4

How can drugs affect the embyro/fetus? (2)

Answer 4

• prescription and illicit can have poor outcomes
• High maternal exposure to alcohol can lead to fetal alcohol spectrum disorder (FASD)

Question 5

How does the environment cause teratogenesis? (2)

Answer 5

• chemicals, toxins, radiation (what mom is exposed to)
• Maternal illness/infection (nutrition, not enough folic acid, chronic illness (diabetes))

Question 6

What else can cause teratogenesis apart from infection, drugs, and environment?

Answer 6

• other harmful influences on prenatal development